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Texas Instruments TPS60500DGSR
- Part No.:
- TPS60500DGSR
- Manufacturer:
- Texas Instruments
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
TPS60500DGSR.pdf
- Description:
- IC REG CHARGE PUMP ADJ 10VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,755
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Product details
Overview
TPS60500DGSR from Texas Instruments is an adjustable-output, high-efficiency step-down charge pump DC-DC converter optimized for space-constrained battery-powered systems. It delivers up to 250 mA at an output voltage programmable from 0.8 V to 3.3 V from a 1.8–6.5 V input, achieves up to 90% efficiency, and integrates power-good supervision and thermal/overcurrent protection. It is used in portable instrumentation requiring stable low-noise core biasing.
For engineers reviewing the TPS60500DGSR datasheet, TPS60500DGSR pinout, TPS60500DGSR application, or TPS60500DGSR equivalent, key selection criteria include its adjustable output range (0.8–3.3 V), 10-pin VSSOP package footprint, 250-mA maximum output current capability, and automatic multi-mode fractional conversion (LDO/2/3x/0.5x/1/3x) for wide-input efficiency optimization.
Technical Context
The TPS60500DGSR implements switched-capacitor fractional conversion with internal MOSFET switches and a 600–1200 kHz oscillator to dynamically select among LDO, 2/3x, 0.5x, and 1/3x modes based on VIN/VOUT ratio and load. Regulation uses skip-mode control below 150 mA and linear regulation above that threshold.
It features an open-drain PG output asserting high when OUT reaches ≥97% of nominal voltage, EN-controlled shutdown reducing quiescent current to 0.05 µA, and integrated thermal shutdown at 150°C. The FB pin accepts an external resistor divider to set output voltage, with max 1 MΩ total resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Adjustable 0.8 V to 3.3 V via external FB divider - enables single BOM for multiple rail requirements. |
| Max Output Current | 250 mA - supports moderate-power digital cores (e.g., DSPs, microcontrollers) without inductors. |
| Input Voltage Range | 1.8 V to 6.5 V - compatible with single Li-ion (2.7–4.2 V), dual alkaline (2.4–3.2 V), or USB 5 V sources. |
| Peak Efficiency | Up to 90% - achieved via automatic mode switching (LDO/2/3x/0.5x/1/3x), minimizing heat in compact layouts. |
| Quiescent Current | <40 µA (typical) - extends battery shelf life during system sleep; drops to 0.05 µA in shutdown. |
| Power-Good Threshold | 97% of nominal VOUT - provides reliable system reset timing with ±2% trip hysteresis. |
| Switching Frequency | 600–1200 kHz - enables use of small 1-µF ceramic flying capacitors and reduces EMI filtering burden. |
| Output Voltage Tolerance | ±3% over line, load, and temperature - ensures stable operation across industrial temperature range (−40°C to +125°C). |
Pinout & Package
TPS60500DGSR is housed in a 10-pin VSSOP package (3.05 mm × 4.98 mm), optimized for high-density PCB layouts in portable electronics.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN (Pin 1) | Enable input | Active-low logic control; high disables device and isolates load from input, reducing leakage to ≤1 µA. |
| PG (Pin 2) | Open-drain power-good output | Asserts high when VOUT ≥97% of target; requires external pull-up to VIN or VOUT for system reset sequencing. |
| C1F− (Pin 3) | Flying capacitor C1 negative terminal | Connects to negative side of first 1-µF ceramic flying cap; critical for 2/3x and 0.5x charge transfer phases. |
| C2F+ (Pin 4) | Flying capacitor C2 positive terminal | Connects to positive side of second 1-µF ceramic flying cap; participates in all fractional conversion modes. |
| VIN (Pin 5) | Main input supply | Accepts 1.8–6.5 V; requires 2.2-µF ceramic input capacitor to stabilize source impedance and reduce ripple. |
| C1F+ (Pin 6) | Flying capacitor C1 positive terminal | Connects to positive side of first flying cap; forms charge-transfer path with C1F− during phase switching. |
| OUT (Pin 7) | Regulated output | Delivers up to 250 mA; bypassed with ≥4.7 µF (≤150 mA) or ≥22 µF (250 mA) ceramic capacitor for stability. |
| C1F− (Pin 8) | Flying capacitor C1 negative terminal | Duplicate reference to Pin 3 - confirms dual-path topology for robust charge pumping under varying loads. |
| GND (Pin 9) | Power ground | Common return for VIN, OUT, and internal regulators; must be low-impedance plane for noise-sensitive analog sections. |
| FB (Pin 10) | Feedback input | Connects to voltage divider (R1/R2) setting output; max 1 MΩ total resistance ensures accuracy and noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Multi-mode fractional conversion | Automatically selects LDO/2/3x/0.5x/1/3x modes to maintain ≥85% efficiency across 1.8–6.5 V input and 0.8–3.3 V output ranges. |
| Integrated power-good supervisor | Open-drain PG pin asserts within 100–200 µs of VOUT reaching 97% nominal, enabling precise reset timing for DSPs/FPGAs. |
| Load isolation in shutdown | EN = high disconnects OUT from VIN, limiting load leakage to ≤1 µA - critical for long-term battery storage in handheld devices. |
| Thermal and short-circuit protection | Shuts down at 150°C junction temp; limits start-up current to 300 mA and steady-state output to 500 mA to prevent damage. |
| Ultra-low quiescent current | 40 µA typical no-load IQ enables >1-year shelf life in coin-cell–powered IoT sensors without compromising startup speed (80 µs). |
| Small-footprint capacitor solution | Requires only four 0805/1206 ceramic caps (CIN, C1F, C2F, COUT) - eliminates inductors and simplifies layout vs. buck converters. |
Applications
| Portable Instrumentation | DSP Core Supply |
|---|---|
Use Scenario: Handheld multimeter or portable oscilloscope powered by single Li-ion cell (2.7–4.2 V) requiring clean 1.8-V analog front-end and 3.3-V digital logic rails. IC Role / Device Role / Timing Role: Primary step-down charge pump generating regulated 1.8 V from variable battery input; provides PG signal for MCU initialization sequence. Use Value: Eliminates need for magnetic components, reduces board area by >40% vs. inductor-based solutions, and maintains ±3% output accuracy across battery discharge curve. |
Use Scenario: Digital signal processor in audio processing module requiring 1.5-V core voltage and strict power-on sequencing relative to 3.3-V I/O supply. IC Role / Device Role / Timing Role: Adjustable-output charge pump delivering 1.5 V to DSP core; PG output synchronized with TPS77133 LDO's RESET to enforce safe boot order. Use Value: Enables single-supply design from 3.6-V input while meeting TI's recommended <100-µs PG assertion delay for TMS320C5000-series DSPs. |
| USB-Powered Peripherals | Low-Power Wireless Sensor Node |
Use Scenario: USB-powered barcode scanner using 5-V bus to power 3.3-V MCU and 1.8-V image sensor, with tight EMI constraints. IC Role / Device Role / Timing Role: Fixed 3.3-V variant (TPS60501) or adjustable TPS60500DGSR configured for 3.3 V; operates in 2/3x mode for minimal input ripple. Use Value: Achieves 88% efficiency at 150 mA from 5 V, reducing conducted EMI vs. switching regulators and avoiding USB port overcurrent trips. |
Use Scenario: BLE-enabled environmental sensor node powered by CR2032 coin cell (2.0–3.0 V), needing 1.8-V MCU and 3.3-V radio interface. IC Role / Device Role / Timing Role: Adjustable charge pump configured for 1.8 V output; EN controlled by MCU GPIO to gate power during deep-sleep cycles. Use Value: 40-µA quiescent current extends battery life to >2 years in 1-s wake-up interval; soft-start prevents brownout during cold-start from depleted cell. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down charge pump applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS60501DGS | Fixed 3.3-V output; no FB pin or external divider required. | Eliminates two resistors but lacks voltage flexibility; unsuitable for multi-rail or custom VDD requirements. | Select when only 3.3 V is needed and BOM simplification outweighs adjustability. |
| MAX8632EUB+ | Fixed 1.8-V output; higher 300-mA rating; requires different capacitor values (2.2 µF flying caps). | Better suited for sustained 200-mA loads but incompatible pinout and feedback architecture. | Choose for higher-current 1.8-V applications where TI's 10-pin VSSOP footprint is not mandatory. |
Compared with TPS60500DGSR, TPS60501DGS removes design flexibility but reduces component count, while MAX8632EUB+ offers higher current at the cost of layout redesign and vendor lock-in - making TPS60500DGSR optimal for adjustable, space-constrained, battery-life–critical designs.
Availability
TPS60500DGSR is available at Aetrix Electronics and suitable for portable instrumentation, DSP core supplies, USB-powered peripherals, and low-power wireless sensor nodes requiring stable component supply with full traceability and lifecycle support.
Supply support for TPS60500DGSR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and power management ICs, with decades of expertise in energy-efficient power conversion.
The TPS6050x family was designed specifically for space-critical, battery-powered applications demanding high-efficiency, inductorless DC-DC conversion - targeting mobile phones, portable instruments, and USB peripherals where board area and quiescent current are paramount.
FAQ
What output voltage range does the TPS60500DGSR support?
The TPS60500DGSR supports an adjustable output voltage from 0.8 V to 3.3 V, set via an external resistor divider connected to the FB pin. This range covers common low-voltage rails for microcontrollers, DSPs, and sensors. The device maintains ±3% output tolerance across line, load, and temperature, and requires total FB divider resistance ≤1 MΩ for accuracy and noise immunity.
How does the TPS60500DGSR achieve high efficiency across varying input voltages?
The TPS60500DGSR achieves up to 90% efficiency by automatically selecting among five internal conversion modes - LDO, 2/3x, 0.5x, and 1/3x - based on the VIN/VOUT ratio and load current. For example, it uses 2/3x mode when VIN > 1.5×VOUT for reduced input current, and switches to LDO mode when VIN is close to VOUT to minimize dropout loss. This dynamic mode selection is fully internal and requires no external configuration.
What is the purpose of the PG (power-good) pin on the TPS60500DGSR?
On the TPS60500DGSR, the PG pin is an open-drain output that asserts high when the regulated output voltage reaches ≥97% of its nominal value. It provides a precise, low-jitter signal for system reset sequencing - for instance, releasing a DSP's reset line only after stable core voltage is established. An external pull-up resistor (to VIN or VOUT) is required; unused PG pins should remain unconnected.
Can the TPS60500DGSR drive 250 mA continuously, and what design considerations apply?
Yes, the TPS60500DGSR is rated for up to 250 mA continuous output current, but this requires specific design conditions: an output capacitor ≥22 µF (e.g., two 10-µF ceramics in parallel), input voltage ≥VOUT + 1.2 V, and adequate PCB copper area for thermal dissipation. At 250 mA, the device operates primarily in linear regulation mode, so thermal performance must be verified - junction temperature must stay ≤125°C under worst-case ambient and airflow conditions.
What are the minimum external components required for basic operation of the TPS60500DGSR?
The TPS60500DGSR requires only four external ceramic capacitors for basic operation: a 2.2-µF input capacitor (CIN), two 1-µF flying capacitors (C1F and C2F), and a ≥4.7-µF output capacitor (COUT). For adjustable output, two resistors form the FB divider. No inductors, diodes, or compensation networks are needed - making it significantly simpler than inductor-based buck converters while maintaining high efficiency and low EMI.
TPS60500DGSR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Charge Pump
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 1.8V
- Voltage - Input (Max):
- 6.5V
- Voltage - Output (Min/Fixed):
- 0.8V
- Voltage - Output (Max):
- 3.3V
- Current - Output:
- 250mA
- Frequency - Switching:
- 800kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-VSSOP
TPS60500DGSR FAQ
1.How can I place an order for TPS60500DGSR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS60500DGSR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS60500DGSR reliable?
The price and inventory of TPS60500DGSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS60500DGSR is usually 5 days.
3.What payment methods are accepted for TPS60500DGSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS60500DGSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS60500DGSR?
TPS60500DGSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS60500DGSR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS60500DGSR?
For technical support, including TPS60500DGSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS60500DGSR requirements.
6.How does Aetrix verify that TPS60500DGSR is sourced from the original manufacturer or authorized distributors?
All TPS60500DGSR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS60500DGSR meets industry standards.
7.What is the process for return or replacement of TPS60500DGSR?
All TPS60500DGSR units undergo pre-shipment inspection (PSI). If there is an issue with TPS60500DGSR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS60500DGSR part is unused and in its original packaging.
Return procedure for TPS60500DGSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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